Added new cmake library search functions.
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Armin Novak
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43
cmake/FindGlib.cmake
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43
cmake/FindGlib.cmake
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# - Try to find Glib-2.0 (with gobject)
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# Once done, this will define
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#
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# Glib_FOUND - system has Glib
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# Glib_INCLUDE_DIRS - the Glib include directories
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# Glib_LIBRARIES - link these to use Glib
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#
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# GLIB_ROOT_DIR - Primary search directory
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include(LibFindMacros)
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# Use pkg-config to get hints about paths
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libfind_pkg_check_modules(Glib_PKGCONF glib-2.0)
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# Main include dir
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find_path(Glib_INCLUDE_DIR
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NAMES glib.h
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PATHS $ {Glib_PKGCONF_INCLUDE_DIRS} $ {GLIB_ROOT_DIR}
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PATH_SUFFIXES glib-2.0
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)
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# Finally the library itself
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find_library(Glib_LIBRARY
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NAMES glib-2.0 gstreamer_android
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PATHS $ {Glib_PKGCONF_LIBRARY_DIRS} $ {GLIB_ROOT_DIR}
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)
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find_library(Gobject_LIBRARY
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NAMES gobject-2.0 gstreamer_android
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PATHS $ {Glib_PKGCONF_LIBRARY_DIRS} $ {GLIB_ROOT_DIR}
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)
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# Glib-related libraries also use a separate config header, which is in lib dir
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find_path(GlibConfig_INCLUDE_DIR
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NAMES glibconfig.h
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PATHS $ {Glib_PKGCONF_INCLUDE_DIRS} /usr $ {GLIB_ROOT_DIR}
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PATH_SUFFIXES lib/glib-2.0/include glib-2.0/include
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)
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# Set the include dir variables and the libraries and let libfind_process do the rest.
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# NOTE: Singular variables for this library, plural for libraries this this lib depends on.
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set(Glib_PROCESS_INCLUDES Glib_INCLUDE_DIR GlibConfig_INCLUDE_DIR)
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set(Glib_PROCESS_LIBS Glib_LIBRARY Gobject_LIBRARY)
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libfind_process(Glib)
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116
cmake/LibFindMacros.cmake
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cmake/LibFindMacros.cmake
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# Works the same as find_package, but forwards the "REQUIRED" and "QUIET" arguments
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# used for the current package. For this to work, the first parameter must be the
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# prefix of the current package, then the prefix of the new package etc, which are
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# passed to find_package.
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macro(libfind_package PREFIX)
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set(LIBFIND_PACKAGE_ARGS $ {ARGN})
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if($ {PREFIX} _FIND_QUIETLY)
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set(LIBFIND_PACKAGE_ARGS $ {LIBFIND_PACKAGE_ARGS} QUIET)
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endif($ {PREFIX} _FIND_QUIETLY)
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if($ {PREFIX} _FIND_REQUIRED)
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set(LIBFIND_PACKAGE_ARGS $ {LIBFIND_PACKAGE_ARGS} REQUIRED)
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endif($ {PREFIX} _FIND_REQUIRED)
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find_package($ {LIBFIND_PACKAGE_ARGS})
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endmacro(libfind_package)
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# CMake developers made the UsePkgConfig system deprecated in the same release (2.6)
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# where they added pkg_check_modules. Consequently I need to support both in my scripts
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# to avoid those deprecated warnings. Here's a helper that does just that.
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# Works identically to pkg_check_modules, except that no checks are needed prior to use.
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macro (libfind_pkg_check_modules PREFIX PKGNAME)
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if (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
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include(UsePkgConfig)
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pkgconfig(${PKGNAME} ${PREFIX}_INCLUDE_DIRS ${PREFIX}_LIBRARY_DIRS ${PREFIX}_LDFLAGS ${PREFIX}_CFLAGS)
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else (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
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find_package(PkgConfig)
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if (PKG_CONFIG_FOUND)
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pkg_check_modules(${PREFIX} ${PKGNAME})
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endif (PKG_CONFIG_FOUND)
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endif (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
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endmacro (libfind_pkg_check_modules)
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# Do the final processing once the paths have been detected.
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# If include dirs are needed, ${PREFIX}_PROCESS_INCLUDES should be set to contain
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# all the variables, each of which contain one include directory.
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# Ditto for ${PREFIX}_PROCESS_LIBS and library files.
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# Will set ${PREFIX}_FOUND, ${PREFIX}_INCLUDE_DIRS and ${PREFIX}_LIBRARIES.
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# Also handles errors in case library detection was required, etc.
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macro (libfind_process PREFIX)
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# Skip processing if already processed during this run
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if (NOT ${PREFIX}_FOUND)
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# Start with the assumption that the library was found
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set (${PREFIX}_FOUND TRUE)
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# Process all includes and set _FOUND to false if any are missing
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foreach (i ${${PREFIX}_PROCESS_INCLUDES})
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if (${i})
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set (${PREFIX}_INCLUDE_DIRS ${${PREFIX}_INCLUDE_DIRS} ${${i}})
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mark_as_advanced(${i})
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else (${i})
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set (${PREFIX}_FOUND FALSE)
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endif (${i})
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endforeach (i)
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# Process all libraries and set _FOUND to false if any are missing
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foreach (i ${${PREFIX}_PROCESS_LIBS})
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if (${i})
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set (${PREFIX}_LIBRARIES ${${PREFIX}_LIBRARIES} ${${i}})
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mark_as_advanced(${i})
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else (${i})
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set (${PREFIX}_FOUND FALSE)
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endif (${i})
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endforeach (i)
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# Print message and/or exit on fatal error
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if (${PREFIX}_FOUND)
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if (NOT ${PREFIX}_FIND_QUIETLY)
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message (STATUS "Found ${PREFIX} ${${PREFIX}_VERSION}")
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endif (NOT ${PREFIX}_FIND_QUIETLY)
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else (${PREFIX}_FOUND)
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if (${PREFIX}_FIND_REQUIRED)
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foreach (i ${${PREFIX}_PROCESS_INCLUDES} ${${PREFIX}_PROCESS_LIBS})
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message("${i}=${${i}}")
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endforeach (i)
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message (FATAL_ERROR "Required library ${PREFIX} NOT FOUND.\nInstall the library (dev version) and try again. If the library is already installed, use ccmake to set the missing variables manually.")
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endif (${PREFIX}_FIND_REQUIRED)
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endif (${PREFIX}_FOUND)
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endif (NOT ${PREFIX}_FOUND)
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endmacro (libfind_process)
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macro(libfind_library PREFIX basename)
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set(TMP "")
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if(MSVC80)
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set(TMP -vc80)
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endif(MSVC80)
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if(MSVC90)
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set(TMP -vc90)
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endif(MSVC90)
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set(${PREFIX}_LIBNAMES ${basename}${TMP})
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if(${ARGC} GREATER 2)
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set(${PREFIX}_LIBNAMES ${basename}${TMP}-${ARGV2})
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string(REGEX REPLACE "\\." "_" TMP ${${PREFIX}_LIBNAMES})
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set(${PREFIX}_LIBNAMES ${${PREFIX}_LIBNAMES} ${TMP})
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endif(${ARGC} GREATER 2)
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find_library(${PREFIX}_LIBRARY
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NAMES ${${PREFIX}_LIBNAMES}
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PATHS ${${PREFIX}_PKGCONF_LIBRARY_DIRS})
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endmacro(libfind_library)
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SET(THREE_PART_VERSION_REGEX "[0-9]+\\.[0-9]+\\.[0-9]+")
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# Breaks up a string in the form n1.n2.n3 into three parts and stores
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# them in major, minor, and patch. version should be a value, not a
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# variable, while major, minor and patch should be variables.
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MACRO(THREE_PART_VERSION_TO_VARS version major minor patch)
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IF(${version} MATCHES ${THREE_PART_VERSION_REGEX})
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STRING(REPLACE "." " " version_list ${version})
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SEPARATE_ARGUMENTS(version_list)
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LIST(GET version_list 0 ${major})
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LIST(GET version_list 1 ${minor})
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LIST(GET version_list 2 ${patch})
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ELSE(${version} MATCHES ${THREE_PART_VERSION_REGEX})
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MESSAGE("MACRO(THREE_PART_VERSION_TO_VARS ${version} ${major} ${minor} ${patch}")
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MESSAGE(FATAL_ERROR "Problem parsing version string, I can't parse it properly.")
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ENDIF(${version} MATCHES ${THREE_PART_VERSION_REGEX})
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ENDMACRO(THREE_PART_VERSION_TO_VARS)
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